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42d498658d
* (global) more const'ification.
* sockunion.c: (sockunion_su2str) buffer should be sized
SU_ADDRSTRLEN.
(sockunion_log) do not return stack variables, strdup buf before
return.
* vty.h: Fix up the VTY_GET_INTEGER macros. Testing caller supplied
values against ULONG_MAX is daft, when caller probably has passed
a type that can not hold ULONG_MAX. use a temporary long instead.
Add VTY_GET_LONG, make VTY_GET_INTEGER_RANGE use it, make
VTY_GET_INTEGER a define for VTY_GET_INTEGER_RANGE.
129 lines
3.7 KiB
C
129 lines
3.7 KiB
C
/*
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* Socket union header.
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* Copyright (c) 1997 Kunihiro Ishiguro
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef _ZEBRA_SOCKUNION_H
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#define _ZEBRA_SOCKUNION_H
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#if 0
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union sockunion {
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struct sockinet {
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u_char si_len;
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u_char si_family;
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u_short si_port;
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} su_si;
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struct sockaddr_in su_sin;
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struct sockaddr_in6 su_sin6;
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};
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#define su_len su_si.si_len
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#define su_family su_si.si_family
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#define su_port su_si.si_port
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#endif /* 0 */
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union sockunion
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{
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struct sockaddr sa;
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struct sockaddr_in sin;
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#ifdef HAVE_IPV6
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struct sockaddr_in6 sin6;
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#endif /* HAVE_IPV6 */
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};
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enum connect_result
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{
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connect_error,
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connect_success,
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connect_in_progress
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};
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/* Default address family. */
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#ifdef HAVE_IPV6
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#define AF_INET_UNION AF_INET6
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#else
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#define AF_INET_UNION AF_INET
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#endif
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/* Sockunion address string length. Same as INET6_ADDRSTRLEN. */
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#define SU_ADDRSTRLEN 46
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/* Macro to set link local index to the IPv6 address. For KAME IPv6
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stack. */
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#ifdef KAME
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#define IN6_LINKLOCAL_IFINDEX(a) ((a).s6_addr[2] << 8 | (a).s6_addr[3])
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#define SET_IN6_LINKLOCAL_IFINDEX(a, i) \
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do { \
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(a).s6_addr[2] = ((i) >> 8) & 0xff; \
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(a).s6_addr[3] = (i) & 0xff; \
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} while (0)
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#else
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#define IN6_LINKLOCAL_IFINDEX(a)
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#define SET_IN6_LINKLOCAL_IFINDEX(a, i)
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#endif /* KAME */
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/* shortcut macro to specify address field of struct sockaddr */
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#define sock2ip(X) (((struct sockaddr_in *)(X))->sin_addr.s_addr)
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#ifdef HAVE_IPV6
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#define sock2ip6(X) (((struct sockaddr_in6 *)(X))->sin6_addr.s6_addr)
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#endif /* HAVE_IPV6 */
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#define sockunion_family(X) (X)->sa.sa_family
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/* Prototypes. */
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int str2sockunion (const char *, union sockunion *);
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const char *sockunion2str (union sockunion *, char *, size_t);
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int sockunion_cmp (union sockunion *, union sockunion *);
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int sockunion_same (union sockunion *, union sockunion *);
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char *sockunion_su2str (union sockunion *su);
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union sockunion *sockunion_str2su (const char *str);
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struct in_addr sockunion_get_in_addr (union sockunion *su);
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int sockunion_accept (int sock, union sockunion *);
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int sockunion_stream_socket (union sockunion *);
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int sockopt_reuseaddr (int);
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int sockopt_reuseport (int);
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int sockunion_bind (int sock, union sockunion *, unsigned short, union sockunion *);
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int sockopt_ttl (int family, int sock, int ttl);
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int sockunion_socket (union sockunion *su);
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const char *inet_sutop (union sockunion *su, char *str);
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enum connect_result
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sockunion_connect (int fd, union sockunion *su, unsigned short port, unsigned int);
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union sockunion *sockunion_getsockname (int);
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union sockunion *sockunion_getpeername (int);
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union sockunion *sockunion_dup (union sockunion *);
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void sockunion_free (union sockunion *);
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#ifndef HAVE_INET_NTOP
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const char *
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inet_ntop (int family, const void *addrptr, char *strptr, size_t len);
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#endif /* HAVE_INET_NTOP */
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#ifndef HAVE_INET_PTON
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int
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inet_pton (int family, const char *strptr, void *addrptr);
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#endif /* HAVE_INET_PTON */
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#ifndef HAVE_INET_ATON
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int
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inet_aton (const char *cp, struct in_addr *inaddr);
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#endif
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#endif /* _ZEBRA_SOCKUNION_H */
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